#region Copyright (c) 2006-2009 Widgetsphere LLC, All Rights Reserved
//--------------------------------------------------------------------- *
//                          Widgetsphere  LLC                           *
//             Copyright (c) 2006-2009 All Rights reserved              *
//                                                                      *
//                                                                      *
//This file and its contents are protected by United States and         *
//International copyright laws.  Unauthorized reproduction and/or       *
//distribution of all or any portion of the code contained herein       *
//is strictly prohibited and will result in severe civil and criminal   *
//penalties.  Any violations of this copyright will be prosecuted       *
//to the fullest extent possible under law.                             *
//                                                                      *
//THE SOURCE CODE CONTAINED HEREIN AND IN RELATED FILES IS PROVIDED     *
//TO THE REGISTERED DEVELOPER FOR THE PURPOSES OF EDUCATION AND         *
//TROUBLESHOOTING. UNDER NO CIRCUMSTANCES MAY ANY PORTION OF THE SOURCE *
//CODE BE DISTRIBUTED, DISCLOSED OR OTHERWISE MADE AVAILABLE TO ANY     *
//THIRD PARTY WITHOUT THE EXPRESS WRITTEN CONSENT OF WIDGETSPHERE LLC   *
//                                                                      *
//UNDER NO CIRCUMSTANCES MAY THE SOURCE CODE BE USED IN WHOLE OR IN     *
//PART, AS THE BASIS FOR CREATING A PRODUCT THAT PROVIDES THE SAME, OR  *
//SUBSTANTIALLY THE SAME, FUNCTIONALITY AS ANY WIDGETSPHERE PRODUCT.    *
//                                                                      *
//THE REGISTERED DEVELOPER ACKNOWLEDGES THAT THIS SOURCE CODE           *
//CONTAINS VALUABLE AND PROPRIETARY TRADE SECRETS OF WIDGETSPHERE,      *
//INC.  THE REGISTERED DEVELOPER AGREES TO EXPEND EVERY EFFORT TO       *
//INSURE ITS CONFIDENTIALITY.                                           *
//                                                                      *
//THE END USER LICENSE AGREEMENT (EULA) ACCOMPANYING THE PRODUCT        *
//PERMITS THE REGISTERED DEVELOPER TO REDISTRIBUTE THE PRODUCT IN       *
//EXECUTABLE FORM ONLY IN SUPPORT OF APPLICATIONS WRITTEN USING         *
//THE PRODUCT.  IT DOES NOT PROVIDE ANY RIGHTS REGARDING THE            *
//SOURCE CODE CONTAINED HEREIN.                                         *
//                                                                      *
//THIS COPYRIGHT NOTICE MAY NOT BE REMOVED FROM THIS FILE.              *
//--------------------------------------------------------------------- *
#endregion
using System;
using System.Collections;
using Widgetsphere.Generator.Common.GeneratorFramework;
using System.Windows.Forms;
using Widgetsphere.Generator.Common.Util;

namespace Widgetsphere.Generator.Models
{
	public class RelationController : BaseModelObjectController
	{
		#region Member Variables
    
		#endregion

    #region Constructor

    protected internal RelationController(IModelObject modelObject)
      : base(modelObject)
    {
      ((Relation)modelObject).BeforeChildTableChange += new EventHandler(RelationController_BeforeChildTableChange);
      ((Relation)modelObject).BeforeParentTableChange += new EventHandler(RelationController_BeforeParentTableChange);
      ((Relation)modelObject).AfterChildTableChange += new EventHandler(RelationController_AfterChildTableChange);
      ((Relation)modelObject).AfterParentTableChange += new EventHandler(RelationController_AfterParentTableChange);
    }

    #endregion

		#region BaseModelObjectController Members

		public override ModelObjectTreeNode Node
		{
			get
			{
				if(_node == null)
				{
					_node = new RelationNode(this);
				}
				return _node;
			}
		}

		public override MenuCommand[] GetMenuCommands()
		{
      //MenuCommand mc = new DefaultMenuCommand();
      //mc.Text = "Text";
      //mc.Click += new EventHandler(MenuClick);
      //return new MenuCommand[]{mc};
      return new MenuCommand[] { };
    }

    public override MessageCollection Verify()
    {
      MessageCollection retval = new MessageCollection();
      retval.AddRange(base.Verify());

			Relation relation = (Relation)this.Object;


      return retval;
    }

    public override bool DeleteObject()
    {
      this.Node.Remove();
      this.Object.Root.Dirty = true;
      return true;
    }

    public override void Refresh()
    {
    }

    private void RelationController_BeforeParentTableChange(object sender, EventArgs e)
    {
      //Find root node
      ModelObjectTreeNode rootNode = this.Node;
      while (rootNode.Parent != null)
        rootNode = (ModelObjectTreeNode)rootNode.Parent;

      Relation relation = (Relation)this.Object;
      ModelRoot modelRoot = ((ModelRoot)this.Object.Root);

      //Process parent table
      Table parentTable = (Table)relation.ParentTableRef.Object;
      TreeNode[] nodeList = rootNode.Nodes.Find(parentTable.Key, true);
      foreach (TableNode tableNode in nodeList)
      {
        foreach (TreeNode node in tableNode.Nodes.Find(this.Object.Key, true))
        {
          node.Remove();
        }
      }
    }

    private void RelationController_BeforeChildTableChange(object sender, EventArgs e)
    {
      //Find root node
      ModelObjectTreeNode rootNode = this.Node;
      while (rootNode.Parent != null)
        rootNode = (ModelObjectTreeNode)rootNode.Parent;

      Relation relation = (Relation)this.Object;
      ModelRoot modelRoot = ((ModelRoot)this.Object.Root);

      //Process child table
      Table childTable = (Table)relation.ChildTableRef.Object;
      TreeNode[] nodeList = rootNode.Nodes.Find(childTable.Key, true);
      foreach (TableNode tableNode in nodeList)
      {
        foreach (TreeNode node in tableNode.Nodes.Find(this.Object.Key, true))
        {
          node.Remove();
        }
      }
    }

    private void RelationController_AfterParentTableChange(object sender, EventArgs e)
    {
      //Find root node
      ModelObjectTreeNode rootNode = this.Node;
      while (rootNode.Parent != null)
        rootNode = (ModelObjectTreeNode)rootNode.Parent;

      Relation relation = (Relation)this.Object;
      ModelRoot modelRoot = ((ModelRoot)this.Object.Root);

      //Process parent table
      Table parentTable = (Table)relation.ParentTableRef.Object;
      //parentTable.Relationships.Add(relation.CreateRef());
      TreeNode[] nodeList = rootNode.Nodes.Find(parentTable.Key, true);
      foreach (TableNode tableNode in nodeList)
        tableNode.Refresh();
    }

    private void RelationController_AfterChildTableChange(object sender, EventArgs e)
    {
      //Find root node
      ModelObjectTreeNode rootNode = this.Node;
      while (rootNode.Parent != null)
        rootNode = (ModelObjectTreeNode)rootNode.Parent;

      Relation relation = (Relation)this.Object;
      ModelRoot modelRoot = ((ModelRoot)this.Object.Root);

      //Process child table
      Table childTable = (Table)relation.ChildTableRef.Object;
      //childTable.Relationships.Add(relation.CreateRef());
      TreeNode[] nodeList = rootNode.Nodes.Find(childTable.Key, true);
      foreach (TableNode tableNode in nodeList)
        tableNode.Refresh();
    }

		#endregion

		#region Menu Handlers

		private void MenuClick(object sender, System.EventArgs e)
		{
			System.Diagnostics.Debug.WriteLine("MenuClick");
		}

		#endregion

	}
}